Table 3.

Comparison between left- and right-sided foramina ovalae via paired t-tests.

	Paired Differences					T	df	P
	Mean	SD	SEM	95% CI
				Lower	Upper
R – L Area	2.18	4.83	0.54	1.10	3.25	4.04	79	0.000125*
R – L Perimeter	1.37	3.66	0.41	0.56	2.18	3.35	79	0.001240*
R – L Major Axis†	0.61	1.08	0.12	0.37	0.85	5.04	79	0.000003*
R – L Minor Axis†	0.12	0.61	0.07	−0.02	0.26	1.74	79	0.085119
R – L Circularity	−0.01	0.12	0.01	−0.04	0.01	−0.94	79	0.350326
R – L Aspect Ratio†	0.12	0.44	0.05	0.02	0.22	2.40	79	0.018942*
R – L Roundness†	−0.03	0.12	0.01	−0.05	−0.01	−2.56	79	0.012339*
R – L Solidity	−0.001	0.03	0.004	−0.01	0.01	−0.28	79	0.781632

^*: p < 0.05

^†: calculated, in whole or part, from a best fit ellipse